Emptying system for rotary containers

Claim 1

A CENTRIFUGAL HYDROEXTRACTOR, COMPRISING A CONTAINER HAVING A LONGITUDINAL AXIS AND HAVING A MOUTH AT EACH END OF SAID AXIS, SAID CONTAINER HAVING AN INNER PERFORATED WALL AND AN OUTER JACKET SPACED FROM SAID INNER PERFORATED WALL AND DEFINING BETWEEN SAID INNER WALL AND OUTER JACKET A COLLECTING SPACE, TWO HOLLOW TRUNNIONS ON OPPOSITE SIDES OF SAID OUER JACKET, A HOLLOW BODY HAVING A FORKSHAPED UPPER PART ON WHICH SAID TRUNNIONS ARE ROTATABLY MOUNTED, SAID TRUNNIONS PROJECTING INTO THE SAID UPPER PART OF SAID HOLLOW BODY AND FORMING A PASSAGEWAY BETWEEN SAID COLLECTING SPACE AND THE INTERIOR OF SAID HOLLOW BODY, SAID HOLLOW BODY HAVING A LOWER PART, DRIVING MEANS COUPLED TO SAID LOWER PART FOR ROTATING SAID HOLLOW BODY, A MOVABLE BOTTOM ABOVE THE LOWER PART OF SAID HOLLOW BODY AND BETWEEN THE FORKS OF THE UPPER PART OF SAID HOLLOW BODY AND ADAPTED TO CLOSE ONE END OF SAID CONTAINER, CLOSING MEANS ON WHICH AID MOVABLE BOTTOM IS MOUNTED FOR MOVING SAID MOVABLE BOTTOM TOWARD AND AWAY FROM THE END OF SAID CONTAINER TO CLOSE AND OPEN ONE OF THE MOUTHS THEREOF, CONTAINER TILTING MEANS ON SAID HOLLOW BODY AND CONNECTED TO SAID CONTAINER FOR TILTING SAID CONTAINER ON SAID HOLLOW TRUNNIONS, AND A HOUSING AROUND SAID CONTAINER AND HOLLOW BODY FOR COLLECTING CENTRIFUGED MATERIAL DISCHARGED THROUGH THE MOUTHS OF SAID CONTAINER WHEN SAID CONTAINER IS ROTATED IN THE HORIZONTAL POSITION WITH SAID MOUTHS OPEN.